18kt rose gold black diamond bar necklace from Diane Kordas featuring 0.14ct black diamonds. Full Chain Length 430mm - can be worn at multiple lengths. One of Diane Kordas' signature and best selling pieces, the Bar necklaces are designed to be worn everyday, and can be layered with other necklaces for a look that is effortlessly stylish. Size: One Size. Color: Metallic. Gender: Female. Material: 18kt Rose Gold/Black Diamond.